Compare Minerals

Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

Mineral A

Mineral B

Name

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CoAs

Formula

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Mineral Species

Entry type

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Sulfides

Chemical class

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Orthorhombic

Crystal system

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Mohs hardness

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8.28

Specific gravity

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Streak

—

Luster

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Cleavage

—

Pnam

Space group

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Modderite

Structural group

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Mod · Grandfathered

IMA

—

1923

Named in

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Bluish white. R: (400) —, (420) —, (440) 37.1, (460) 38.0, (480) 38.3, (500) 39.1, (520) 39.2, (540) 39.8

Typical colors

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Co · As

Elements

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